001/*
002 * Copyright 2012-2015 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.devtools.classpath;
018
019import java.util.Set;
020
021import org.springframework.boot.devtools.filewatch.ChangedFiles;
022import org.springframework.context.ApplicationEvent;
023import org.springframework.util.Assert;
024
025/**
026 * {@link ApplicationEvent} containing details of a classpath change.
027 *
028 * @author Phillip Webb
029 * @since 1.3.0
030 * @see ClassPathFileChangeListener
031 */
032public class ClassPathChangedEvent extends ApplicationEvent {
033
034        private final Set<ChangedFiles> changeSet;
035
036        private final boolean restartRequired;
037
038        /**
039         * Create a new {@link ClassPathChangedEvent}.
040         * @param source the source of the event
041         * @param changeSet the changed files
042         * @param restartRequired if a restart is required due to the change
043         */
044        public ClassPathChangedEvent(Object source, Set<ChangedFiles> changeSet,
045                        boolean restartRequired) {
046                super(source);
047                Assert.notNull(changeSet, "ChangeSet must not be null");
048                this.changeSet = changeSet;
049                this.restartRequired = restartRequired;
050        }
051
052        /**
053         * Return details of the files that changed.
054         * @return the changed files
055         */
056        public Set<ChangedFiles> getChangeSet() {
057                return this.changeSet;
058        }
059
060        /**
061         * Return if an application restart is required due to the change.
062         * @return if an application restart is required
063         */
064        public boolean isRestartRequired() {
065                return this.restartRequired;
066        }
067
068}